Home / 1,381,801.77-1,906,857.72-769,952.07

Finding the Fourth Proportional to 1,381,801.77, 1,906,857.72 and 769,952.07

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Solution

The fourth proportional to 1,381,801.77, 1,906,857.72 and 769,952.07 is: 1,062,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,801.77 : 1,906,857.72 = 769,952.07 : x
  2. Step 2: Convert to fraction form
    1,381,801.77/1,906,857.72 = 769,952.07/x
  3. Step 3: Cross multiply
    1,381,801.77x = 1,906,857.72 × 769,952.07
  4. Step 4: Simplify right side
    1,381,801.77x = 1,468,189,048,709.48
  5. Step 5: Solve for x
    x = 1,468,189,048,709.48/1,381,801.77
  6. Step 6: Final answer
    x = 1,062,517.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.